2215133500 has 48 divisors (see below), whose sum is σ = 4940836992. Its totient is φ = 867192000.

The previous prime is 2215133497. The next prime is 2215133573. The reversal of 2215133500 is 53315122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23631 + ... + 70630.

It is an arithmetic number, because the mean of its divisors is an integer number (102934104).

Almost surely, 2^2215133500 is an apocalyptic number.

2215133500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215133500 is an abundant number, since it is smaller than the sum of its proper divisors (2725703492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215133500 is a wasteful number, since it uses less digits than its factorization.

2215133500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94327 (or 94315 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 2215133500 is about 47065.2047695535. The cubic root of 2215133500 is about 1303.5668318919.

Adding to 2215133500 its reverse (53315122), we get a palindrome (2268448622).

The spelling of 2215133500 in words is "two billion, two hundred fifteen million, one hundred thirty-three thousand, five hundred".